Segment:
Cruiser motorcycle segment, characterized by touring comfort and classic styling.
Target Audience:
Owners of Harley-Davidson Road King (FLHR) models seeking comprehensive repair and maintenance information.
Competitors:
Other large-displacement V-twin cruisers from brands like Indian, Victory (historically), and some European manufacturers.
Model Highlights:
Iconic styling, comfortable touring ergonomics, large displacement V-twin engine, removable windshield, spacious saddlebags.
Engine:
Engine disassembly, assembly, inspection, troubleshooting, tuning, lubrication, cooling system, fuel delivery (EFI).
Transmission:
Primary drive, clutch, transmission case, gears, shift mechanism, troubleshooting, repair, fluid specifications.
Electrical System:
Battery, charging system (stator, regulator/rectifier), ignition system, starting system, lighting, gauges, switches, wiring diagrams, troubleshooting.
Frame And Suspension:
Frame inspection, front fork (telescopic, air suspension), rear suspension (shock absorbers), swingarm, wheel bearings, steering head bearings.
Brakes:
Front and rear brake systems, calipers, master cylinders, brake lines, brake pads, rotor specifications, bleeding procedure, ABS troubleshooting (if applicable).
Fuel System:
Fuel tank, fuel pump, fuel injectors, throttle body, ECM, fuel pressure testing, diagnostics.
Exhaust System:
Exhaust pipes, mufflers, catalytic converter (if applicable), mounting, inspection.
Bodywork And Fittings:
Fenders, fairing, saddlebags, seat, handlebars, controls, instrument panel, fairing components, chrome trim.
Maintenance:
Scheduled maintenance, oil changes, filter replacements, chain/belt adjustment (if applicable), lubrication points, spark plug replacement, brake service.
Troubleshooting:
Diagnostic procedures for engine, electrical, transmission, and chassis issues with symptom-based guides.
Repair:
Detailed step-by-step repair procedures for all major components and systems.
Overhaul:
Complete engine and transmission overhaul procedures, including component specifications and clearances.
Diagnostics:
ECM diagnostic codes (DTCs), diagnostic tool usage (e.g., Harley-Davidson Dealer Diagnostic Tool compatibility), sensor testing.
Depth:
Comprehensive, covering everything from basic rider maintenance to full engine and transmission rebuilds. Suitable for professional technicians and experienced DIY mechanics.
Engine Type:
Air-cooled, Twin Cam 96 V-twin
Displacement:
1584 cc (96 cubic inches)
Bore X Stroke:
3.75 in x 4.38 in (95.25 mm x 111.25 mm)
Compression Ratio:
8.2:1 (typical for Twin Cam 96)
Valve Train:
Pushrod-actuated overhead valves, 2 valves per cylinder
Torque:
Approx. 92.6 lb-ft @ 3500 rpm (96 ft-lb)
Horsepower:
Approx. 70-75 HP (specific figures vary by year and tuning)
Engine Management:
Electronic Sequential Port Fuel Injection (ESPFI) with closed-loop lambda control.
Exhaust:
2-into-2 exhaust system with catalytic converter (depending on market regulations).
Fuel Type:
Unleaded gasoline, minimum 87 octane (91 RON).
Fuel Capacity:
6.0 US gallons (22.7 liters)
Type:
6-speed Cruise Drive constant mesh
Clutch:
Multi-plate, wet, hydraulic actuation
Primary Drive:
Duplex chain, 34/46 ratio
Final Drive:
Belt drive, 32/66 ratio
Gear Ratios:
1st: 9.593, 2nd: 6.650, 3rd: 4.934, 4th: 3.872, 5th: 3.150, 6th: 2.790
Transmission Oil Type:
Harley-Davidson Formula Plus (or equivalent 60W-90 gear oil)
Length:
Approx. 93.7 inches (2380 mm)
Seat Height Laden:
Approx. 26.5 inches (673 mm)
Ground Clearance:
Approx. 5.1 inches (130 mm)
Trail:
6.5 inches (165 mm)
Dry Weight:
Approx. 722 lbs (327 kg)
Gross Vehicle Weight Rating:
Approx. 1220 lbs (553 kg)
Front Tire:
130/90B16 67H BW
Rear Tire:
150/80B16 77H BW
Front Wheel:
16-inch laced or cast aluminum wheel
Rear Wheel:
16-inch laced or cast aluminum wheel
Wheel Bolt Pattern:
N/A (spoked wheels with integrated hub)
Crash Test Results:
Not applicable to motorcycles in the same way as automobiles; focus is on design integrity and rider protection features.
Braking System:
Dual 300mm front disc brakes, single 300mm rear disc brake. Optional ABS available on some models.
Lighting:
Halogen headlight, LED taillight and brake lights, front and rear turn signals.
Chassis Design:
Robust steel frame and swingarm for stability.
Rider Aids:
Cruise control standard on many FLHR models of this era.
Audio System:
Many models feature a handlebar-mounted fairing with a stereo system (AM/FM/WB) and speakers. Compatibility with aftermarket upgrades is common.
Cruise Control:
Electronic cruise control is often standard or a factory option, enhancing touring comfort.
ABS:
Anti-lock Braking System (ABS) was an option on many models during this period, providing enhanced braking safety.
Diagnostics:
On-board diagnostics (OBD) for engine management and troubleshooting, accessible via diagnostic tools.
First Service:
1000 miles or 1 month (whichever comes first): engine oil and filter change, primary chain case oil inspection, clutch adjustment, throttle control inspection, brake inspection, tire pressure check.
Subsequent Services:
Every 5000 miles or 6 months: engine oil and filter change, primary chain case oil change, inspect spark plugs, inspect brake pads and rotors, check and adjust clutch and throttle controls, lubricate control cables and pivot points.
10000 Mile Service:
Includes all 5000-mile service items plus: replace spark plugs, inspect drive belt, check all electrical connections, inspect front fork and rear shock absorbers.
Engine Oil:
Harley-Davidson 20W-50 Synthetic (or equivalent API SG rated or higher).
Engine Oil Capacity:
3.5 US quarts (3.3 liters) with filter change.
Primary Chain Case Oil:
Harley-Davidson Formula Plus (or equivalent 60W-90 gear oil)
Primary Chain Case Oil Capacity:
2.4 US quarts (2.3 liters)
Transmission Oil:
Harley-Davidson Formula Plus (or equivalent 60W-90 gear oil)
Transmission Oil Capacity:
2.8 US quarts (2.7 liters)
Brake Fluid:
DOT 4 (for models without ABS). For models with ABS, consult service manual for specific fluid requirements (often DOT 5.1 or specific caliper manufacturer specs).
Twin Cam Noise:
Some Twin Cam engines may exhibit characteristic 'clatter' or 'ticking' noises from the valvetrain, often considered normal by the manufacturer but can be exacerbated by oil quality or viscosity.
Starter Solenoid:
Potential for starter solenoid failure, leading to inability to crank the engine.
Cam Chain Tensioners:
Early Twin Cam models (prior to 2007) had plastic cam chain tensioners that could wear out; later models, including these, use hydraulic tensioners, though inspection is still recommended.
Fuel Injector Issues:
Occasional issues with fuel injectors or throttle body sensors can cause performance irregularities.
Heritage:
Harley-Davidson, founded in 1903, is an iconic American motorcycle manufacturer renowned for its V-twin engines and cruiser styling.
Road King Lineage:
The Road King line has been a staple of Harley-Davidson's touring and cruiser offerings, known for its retro styling and comfort.
Twin Cam Era:
The 2007-2010 models feature the Twin Cam 96 engine, a significant update in Harley-Davidson's powertrain development, offering increased displacement and torque over previous Big Twin engines.
Manufacturing Location:
United States (primarily York, Pennsylvania and Milwaukee, Wisconsin)
Industry Awards:
While specific awards for the 2007-2010 Road King are not always highlighted, the model consistently receives high marks from motorcycle publications for its comfort, classic styling, and touring capabilities. Harley-Davidson itself has numerous industry recognitions for its brand and engineering.
Owner Satisfaction:
Harley-Davidson motorcycles, particularly the Road King, generally enjoy high owner satisfaction ratings due to brand loyalty, performance, and lifestyle appeal.